Expansion Joint, Pipe4730-01-623-6261

NSN 4730-01-623-6261 · NIIN 016236261

FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4730-01-623-6261 · 4730016236261 · NIIN 016236261 · 01-623-6261 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · MF-10712-5 · MI-9-6E

Nearby stock numbers ← 4730-01-623-6201 Tee, Pipe to Tube · 4730-01-623-6304 Reducer, Boss →

4730-01-623-6261 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Expansion Joint,pipe — FSC 4730
Nominal Pipe Size Designation: 16.0 INCHES IN
Design Type: CORRUGATED ELEMENT
Equalization Characteristic: SELF-EQUALIZING
End Connection Type: FLANGED
Traverse Maximum Length: 6.375 INCHES IN
Bolt Hole Diameter: 1.250 INCHES NOMINAL IN
Bolt Hole Quantity: 16

Identification

NSN: 4730-01-623-6261
NIIN: 016236261
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-623-6261, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-623-6261
Item Name	Expansion Joint,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Nominal Pipe Size Designation	16.0 INCHES IN
Design Type	CORRUGATED ELEMENT
Equalization Characteristic	SELF-EQUALIZING
End Connection Type	FLANGED
Traverse Maximum Length	6.375 INCHES IN
Bolt Hole Diameter	1.250 INCHES NOMINAL IN
Bolt Hole Quantity	16
Bolt Circle Diameter	1.250 INCHES NOMINAL IN
Material	RUBBER SYNTHETIC SLEEVE
Material	STEEL COMP 304 FLANGE
Joint Type	SINGLE
Flange Outside Diameter	23.5 INCHES NOMINAL IN
Sleeve Quantity	1

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
MF-10712-5	3/2 Design control — primary reference U.S. Government activity
MI-9-6E	5/2 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4730-00-000-1895

4730-00-000-1895 · Item name not on file

4730-00-000-4289

4730-00-000-4289 · Item name not on file

4730-00-000-4445

4730-00-000-4445 · Item name not on file

4730-00-000-8373

4730-00-000-8373 · Item name not on file

4730-00-000-8897

4730-00-000-8897 · Item name not on file

4730-00-001-0007

4730-00-001-0007 · Item name not on file

4730-00-001-0008

COUPLING,TUBE

4730-00-001-0008

COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-623-6261?

NSN 4730-01-623-6261 is a Expansion Joint,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-623-6261?

Key specifications for 4730-01-623-6261: Nominal Pipe Size Designation: 16.0 INCHES IN; Design Type: CORRUGATED ELEMENT; Equalization Characteristic: SELF-EQUALIZING; End Connection Type: FLANGED. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-623-6261 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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